Answer:
Internal rivalries
Explanation:
After the death of the Mansa Musa, his descendants disputed over becoming the next ruler. The empire weakens as successors began to have political struggles. Timbuktu was then raided and burned. Timbuktu is a city in Mali Empire. Timbuktu became flourished in the 13th and 15th century as it became the centre of trade and controlled the routes of western Africa with North Africa. The presence of gold and salt in the Mali Empire helped in gaining influence in Africa, flourish in trans-Saharan trade.
